EP 0008481 B1 19821117 - DEVICE FOR HOT-STRETCHING THERMOPLASTIC PARISONS DURING BLOW-MOULDING
Title (en)
DEVICE FOR HOT-STRETCHING THERMOPLASTIC PARISONS DURING BLOW-MOULDING
Publication
Application
Priority
FR 7824756 A 19780824
Abstract (en)
[origin: US4284397A] Device for the longitudinal drawing of thermoplastic preforms possessing a closed base and an open neck during the blow moulding of these preforms comprising a rod introduced in the preforms through their open neck and arranged so as to exert a controlled axial thrust on the base of the preforms in which the drawing rod is provided with slots and is actuated by a driving sleeve in which it can slide and with which it is rendered integral by means of retractable wedges housed in the slots and held in place by means of calibrated springs.
IPC 1-7
IPC 8 full level
B29C 49/12 (2006.01); B29C 49/58 (2006.01); B29C 49/06 (2006.01)
CPC (source: EP US)
B29C 49/12 (2013.01 - EP US); B29C 49/58 (2013.01 - EP US); B29C 49/06 (2013.01 - EP US); B29C 49/1202 (2022.05 - EP US); B29C 49/1229 (2022.05 - EP US); B29C 2949/0715 (2022.05 - EP)
Designated contracting state (EPC)
AT BE CH DE FR GB IT LU NL SE
DOCDB simple family (publication)
EP 0008481 A1 19800305; EP 0008481 B1 19821117; AT E1802 T1 19821215; DE 2964055 D1 19821223; FR 2434024 A1 19800321; FR 2434024 B1 19810116; US 4284397 A 19810818
DOCDB simple family (application)
EP 79200450 A 19790813; AT 79200450 T 19790813; DE 2964055 T 19790813; FR 7824756 A 19780824; US 6895579 A 19790823